Thermostat with failsafe mechanism
Active Publication Date: 2020-09-01
WHITE MATTHEW MARVIN
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- Application Information
AI Technical Summary
Benefits of technology
The programmable thermostats in the market today rely on battery powered microprocessors to regulate zone temperatures. However, if the battery fails, the furnace or boiler may not be able to function, potentially causing damage. The present invention provides a failsafe mechanism that prevents both overheating of a home and ensures the temperature remains within a limited range, without the need for electrical input. The injection molded plastic bracket or housing is fastened to the wall behind an existing programmable thermostat, and the thermoswitches operate within a defined range to balance the existing programmable thermostat's functions. The present invention protects a home from freezing or overheating in the event of a failure.
Problems solved by technology
The problem with a programmable thermostat is that almost all of the systems rely on a battery powered microprocessor to control zone temperature.
When the battery fails or the programming becomes corrupt there is no signal to the furnace / boiler or the air conditioning unit.
Method used
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Embodiment Construction
[0004]In accordance with a first aspect of the present invention there is provided a failsafe assembly for use with a thermostat that includes a housing that defines a housing interior, and first and second thermoswitches disposed in the housing interior. The first thermoswitch includes an open and a closed state and is normally in the open state. The first thermoswitch is configured to switch to the closed state when an ambient temperature drops below a predetermined lower threshold temperature and the first thermoswitch is configured to switch back to the open state when the ambient temperature rises above a predetermined first safety temperature. The second thermoswitch includes an open and a closed state and is normally in the open state. The second thermoswitch is configured to switch to the closed state when the ambient temperature exceeds a predetermined upper threshold temperature. The second thermoswitch is configured to switch back to the open state when the ambient temper...
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A failsafe assembly for use with a thermostat that includes a housing that defines a housing interior, and first and second thermoswitches disposed in the housing interior. The first thermoswitch includes an open and a closed state and is normally in the open state. The first thermoswitch is configured to switch to the closed state when an ambient temperature drops below a predetermined lower threshold temperature and the first thermoswitch is configured to switch back to the open state when the ambient temperature rises above a predetermined first safety temperature. The second thermoswitch includes an open and a closed state and is normally in the open state. The second thermoswitch is configured to switch to the closed state when the ambient temperature exceeds a predetermined upper threshold temperature. The second thermoswitch is configured to switch back to the open state when the ambient temperature drops below a predetermined second safety temperature.
Description
FIELD OF THE INVENTION[0001]The present invention relates to a thermostat, and more particularly, to a thermostat with a failsafe mechanism.BACKGROUND OF THE INVENTION[0002]In 2009 the International Energy Conservation Code mandated programmable thermostats be installed in new construction. Additionally many of the homes built prior to that have been upgraded with programmable thermostats to improve the energy efficiency of their homes.[0003]The problem with a programmable thermostat is that almost all of the systems rely on a battery powered microprocessor to control zone temperature. When the battery fails or the programming becomes corrupt there is no signal to the furnace / boiler or the air conditioning unit.SUMMARY OF THE PREFERRED EMBODIMENTS[0004]In accordance with a first aspect of the present invention there is provided a failsafe assembly for use with a thermostat that includes a housing that defines a housing interior, and first and second thermoswitches disposed in the ho...
Claims
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IPC IPC(8): F24F11/30G05D23/19F24F110/10F24F110/12
CPCF24F11/30G05D23/1925F24F2110/12F24F2110/10G05D23/1902
Inventor WHITE, MATTHEW MARVIN
Owner WHITE MATTHEW MARVIN